CN103882968B - Industrialization assembled is many, high-rise steel structure channel-section steel self reset curvature-prevention central supported system - Google Patents
Industrialization assembled is many, high-rise steel structure channel-section steel self reset curvature-prevention central supported system Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 94
- 239000010959 steel Substances 0.000 title claims abstract description 94
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000005265 energy consumption Methods 0.000 claims description 26
- 239000003351 stiffener Substances 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 21
- 238000009434 installation Methods 0.000 abstract description 4
- 239000004567 concrete Substances 0.000 description 5
- 230000000452 restraining effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- VOXZDWNPVJITMN-ZBRFXRBCSA-N 17β-estradiol Chemical compound OC1=CC=C2[C@H]3CC[C@](C)([C@H](CC4)O)[C@@H]4[C@@H]3CCC2=C1 VOXZDWNPVJITMN-ZBRFXRBCSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The present invention relates to a kind of industrialization assembled being capable of Fast Installation many, high-rise steel structure channel-section steel self reset curvature-prevention central supported system, draw together steel construction main body grillage, Self-resetting supporting member, pillar system, steel construction main body grillage includes basis grillage, floor, the present invention is when implementing, in factory by wide beam (3), narrow beam (4) and column base (7) are assembled into basis grillage, by described basis grillage, floor is made of one, wide beam and narrow beam are and are welded by channel-section steel in factory, pipeline passes through between the web channel-section steel of wide beam and narrow beam, thus forming three kinds of basic grillage A, B, C.Adopt high-strength bolt be connected and part welding with column base connecting portion, wide beam with narrow beam junction at basis grillage, between column base and pillar, adopt high-strength bolt Flange joint.The advantages such as it is fast that the structural system of the present invention has speed of application, and structural bearing capacity is high, Lateral resisting ability is good.
Description
Technical field
The present invention relates to a kind of new structural systen, particularly a kind of industrialization assembling type steel structure central supported system of building field application.
Background technology
The construction of common steel construction uses welding at the scene in a large number, not only affect speed of application and construction quality also be difficult to control, the qualitative problems of construction caused due to Construction of Steel Structure quality occurred recent years is too numerous to enumerate, Site Welding is the factor that one of them is important, Site Welding quality is wayward, and environment causes very big pollution.
Traditional reinforced concrete structure needs on-the-spot assembling reinforcement, cast concrete, it is necessary to substantial amounts of artificial and curing time, construction costs is greatly improved.And cause substantial amounts of building waste during building demolition.
Recent years, the research of assembling type steel structure is only limitted to multilamellar by domestic scholars, and speed of application simply slightly improves, and does not really realize the Fast Installation of steel construction, embodies the advantage of steel construction.
Curvature-prevention support component is as the lateral resisting energy-dissipating device being applied in many, high-level structure; under middle shake or big shake effect; curvature-prevention support component all can realize total cross-section and fully surrender and occur without the entirety of supporting member or cripling is destroyed when drawing, pressing; make originally to be changed into by the power consumption mode of agent structure beam-ends plastic hinge on anti-buckling support parts, only concentrate power consumption, thus protecting agent structure preferably.But the residual deformation that tradition is anti-buckling to be supported under severe earthquake action to produce is still irrecoverable, and traditional anti-buckling support also has the machining accuracy that concrete peripheral constraint component causes and controls the problems such as difficulty, wet trade workload are big.
Summary of the invention
It is an object of the invention to overcome the drawbacks described above of existing engineering, the structural system of a kind of many, high-rise steel structure rapid construction is provided, this structural system is capable of main body steel construction and the Fast Installation of Self-resetting supporting member, and can resist high-intensity earthquake, embodies the advantage of steel construction.
In order to achieve the above object, the present invention adopts the following technical scheme that
Industrialization assembled is many, high-rise steel structure channel-section steel self reset curvature-prevention central supported system includes steel construction main body grillage, Self-resetting supporting member, pillar system, and described steel construction main body grillage includes basis grillage, floor.Wide beam, narrow beam, floor being made of one in factory, wide beam and narrow beam are all welded by channel-section steel in factory.Pipeline passes through between the web channel-section steel of wide beam and narrow beam, thus forming A basis grillage, B basis grillage and C basis grillage.At soleplate frame plate with column base connecting portion, wide beam is with bolts with narrow beam junction and partly welds (being only limitted in factory).Bolt is adopted to pass through Flange joint between column base and pillar.
Self-resetting supporting member can be spring, and the logical set of spring is connected with connecting plate on the support columns.When horizontal force action is in structure, Self-resetting supporting member horizontal force component reduces even negative function in the horizontal force of structure, and the relative storey displacement making structure is smaller value, meets the requirement of specification.
Beneficial effect
The present invention adopts the construction stage be capable of quick assembling and can be effective against the high-rise steel structure Self-resetting support system of horizontal comparison.This version can not only be effectively realized the industrialization of steel structure member processing and can be greatly enhanced speed of application and steel using amount is greatly lowered.
Found by engineering practice and 1:10 vibrostand experiment, this high-rise steel structure Self-resetting support system improves 500% than ordinary construction system speed of application, and steel using amount reduces by 50%, and realize " anhydrous, without fiery, dustless " of job site, reduce the potential safety hazard of site operation, reduce environmental pollution.
Accompanying drawing explanation
Fig. 1 present configuration mainboard frame plane graph
Fig. 2 present configuration entirety grillage constitutional diagram
Fig. 3 present configuration framework supports figure
Fig. 4 present configuration A grillage figure
Fig. 5 present configuration B grillage figure
The protruding figure of Fig. 6 present configuration B grillage node 6
The protruding figure of Fig. 7 present configuration B grillage node 5
Fig. 8 present configuration C grillage figure
Fig. 9 present configuration C grillage node 8 groove figure
Figure 10 present configuration C grillage node 7 groove figure
Figure 11 present configuration node 1 figure
Figure 12 present configuration node 1 detail drawing
Figure 13 inventive structure node 2 figure
Figure 14 present configuration node 2 detail drawing
Figure 15 present configuration node 3 figure
Figure 16 present configuration node 3 detail drawing
Figure 17 present configuration node 4 figure
Figure 18 present configuration node 4 detail drawing
Figure 19 present configuration node 5 figure
Figure 20 present configuration node 5 detail drawing
Figure 21 present configuration node 6 figure
Figure 22 present configuration node 6 detail drawing
Figure 23 present configuration node 7 figure
Figure 24 present configuration node 7 detail drawing
Figure 25 present configuration node 8 figure
Figure 26 present configuration node 8 detail drawing
Figure 27 present configuration column base figure
Figure 28 present configuration column base detail drawing
Figure 29 present configuration profiled sheet figure
Figure 30 supporting member lateral view of the present invention
Figure 31 supporting member plane graph of the present invention
The internal energy consumption inner core figure of Figure 32 supporting member of the present invention
Figure 33 supporting member of the present invention external frame confining part figure
Figure 34 supporting member of the present invention external frame confining part installation diagram
Figure 35 supporting member of the present invention external frame confining part sectional, exploded view
Wherein, 1-main body grillage；2-Self-resetting supporting member；2-1: channel steel shape assembling type steel structure self reset curvature-prevention supports；2-2: internal energy consumption inner core；2-3: external frame confining part；2-4: spring；2-5: upper junction plate；2-6: lower connecting plate；2-7: transverse stiffener；2-8: external frame confining part channel-section steel web；2-9: external frame confining part channel-section steel flange plate；2-10: be vertically connected with plate ribbed stiffener；2-11: support column；2-12: connecting plate；2-13: stripper plate；3-wide beam；The narrow beam of 4-；5-profiled sheet；6-concrete；7-column base；7-1: column base connector；7-2: stub；7-3: column base flange；8-pillar；9-otic placode；10-connects channel-section steel；11-1 post cover plate I；11-2 cover plate II；11-3 post cover plate III；11-4 cover plate IV；11-5 post cover plate V；12-stiffener；14-section shrouding；15-floor；16-pillar system.
Detailed description of the invention
The implementation of described structural system is illustrated below in conjunction with accompanying drawing.
As shown in the figure, the present invention is that a kind of industrialization assembled is many, high-rise steel structure channel-section steel self reset curvature-prevention central supported system, including steel construction main body grillage, Self-resetting supporting member, pillar system, steel construction main body grillage includes basis grillage, floor, steel construction main body grillage is by basis grillage A, basis grillage B, the elementary cell of tri-kinds of basic grillage compositions of basis grillage C, wherein basis grillage A is the basic grillage of edge, basis grillage B, basis grillage C is the grillage in centre position, and basis grillage B, C alternately connects, three kinds of basic grillages are the rectangular frame structure being made up of wide beam (3) and narrow beam (4), wherein, it is not wide beam (3) with the beam of other basis grillage adjacent one side；Being narrow beam (4) with the beam of other basis grillage adjacent one side, the deck-siding of narrow beam is the half of wide beam deck-siding, and the deck-siding of wide beam is less than or equal to the width of column base flange, wide beam, and the structure of narrow beam is identical, is all girder truss.And the top-bottom chord of this girder truss, web member are channel-section steel, web member becomes 30 degree of-60 angle spent with chord member.At least being provided with the connection channel-section steel (10) in 3 strap bolt holes between each girder truss top-bottom chord, girder truss two ends are respectively arranged with the end-plate of the rectangle in one piece of strap bolt hole.It is welding between the top-bottom chord of girder truss, web member, connection channel-section steel, end-plate.
Orthogonal two beams in three kinds of basic grillage A, B, C, are welded to connect along deck-molding direction by two pieces of stiffeners (12)；Beam adjacent side by side is connected with at the connection channel-section steel of two beam same positions.In basic grillage with column base (7), column base is connected with adjacent beam.
Basis grillage A is basis, the outside grillage of steel construction main body grillage, basic grillage for the rectangle that wide beam (3) and narrow beam (4) form, the interposition of basis grillage A is equipped with two narrow beams (4) being connected side by side, and the connection channel-section steel being in two beam same positions is linked together by two narrow beam bolts.The outer long side of A basis grillage is while arranging pillar (8)；Pillar is not arranged on one side in the long limit adjacent with other basis grillages.
Basis grillage B, basis grillage C are two middle rectangular foundation grillages.Pillar (8) is not arranged on wherein adjacent with basis grillage A for basis grillage B narrow beam limit.Pillar (8) is arranged on the narrow beam limit adjacent with basis grillage C, form intermediate node (node 6) and two end nodes (node 5), wherein, intermediate node is T-shaped, it is wider than due to column base flange or is equal to the twice of narrow beam deck-siding, so after the centrage of narrow beam with column base flange is alignd, allow for column base and protrude the width of half column base in long limit being connected to column base both sides, being made up of narrow beam.Two end nodes are L-shaped, and wherein column base and an orthogonal wide beam, a narrow beam are bolted together, and one in wide beam two centrages orthogonal with column base flange is alignd；Narrow beam aligns with another in two centrages, owing to the deck-siding of narrow beam is less than or equal to the half of column base flange width, so column base also can protrude the width of half column base in long limit being made up of narrow beam.Namely basis two end nodes of grillage B, intermediate node place column base protrude be connected half column base of narrow beam, form a projection.
Pillar is not all arranged on basis grillage C and basis grillage B, two adjacent for basis grillage A long limits, and the node on the long limit that basis grillage C is adjacent with basis grillage B includes centre position node (node 8), end positions node (node 7).Centre position node is four narrow beam compositions, wherein two narrow beam conllinear；Other two narrow beams are positioned at grillage C centre position, basis, connect side by side and vertical with the narrow beam of conllinear.The two narrow beams of conllinear respectively with the non-conterminous long limit vertical alignment of narrow beam side by side.End positions node is an orthogonal narrow beam and a wide beam composition.Long limit, the inner side vertical alignment of narrow beam and wide beam.Namely grillage C centre position, basis node, end positions node are respectively formed groove so that centre position node groove matches with the projection of basis grillage B two end node, end positions node groove matches with the projection of basis grillage B intermediate node.
Column base (7) is the stub wrapped up by the column base connector (7-1) in strap bolt hole with column base flange, surrounding up and down.Each parts are by being welded together.Pillar (8) and post cover plate are by being welded together.Post cover plate, column base flange, beam are bolted together.
Floor (15) cast is in that on soleplate frame A, B, C, forms entirety with basis grillage.
The channel-section steel assembling type steel structure self reset curvature-prevention supported centered by Self-resetting supporting member (2) supports, and is made up of internal energy consumption inner core (2-2), peripheral frame confining part (2-3) two parts.Internal energy consumption inner core (2-2) is inserted in the intermediate gaps of peripheral frame confining part (2-3).Spring housing is on support column (2-11), the two ends of support column (2-11) are connected with edge of a wing channel-section steel plate (2-9) end connecting plate and middle two web end connecting plates respectively, spring (2-4) two ends are fixed with connecting plate (2-12) and stripper plate (2-13) respectively, spring (2-4) pressurized, draw time all can play Self-resetting effect.For making internal energy consumption inner core (2-2) axial deformation power consumption so that internal energy consumption inner core (2-2) distance D longer than peripheral frame confining part (2-3).It is identical that channel-section steel assembling type steel structure self reset curvature-prevention supports two ends structure.
The inside energy consumption inner core (2-2) of the inner core member (2-2) of Self-resetting supporting member is yi word pattern single steel plate.For making energy consumption inner core (2-2) easily enter plasticity power consumption, weaken the middle part of this single steel plate so that it is middle part indent is circular arc；Energy consumption inner core (2-2) a distance, end, is perpendicular to single steel plate and is arranged symmetrically with stripper plate (2-13), is used for the spring (2-4) extruding or stretching on confining part (2-3)；Energy consumption inner core (2-2) end connects connecting plate two pieces normal thereto side by side: upper junction plate (2-5), lower connecting plate (2-6), upper junction plate (2-5) is with bolt hole, being linked together by high-strength bolt and framework, lower connecting plate (2-6) plate has, in face, the cavity that size is identical with energy consumption inner core (2-2) sectional dimension.By energy consumption inner core (2-2) through lower connecting plate (2-6), holding out against upper junction plate (2-5), three welds together.Upper and lower connecting plate is welded together by being vertically connected with plate ribbed stiffener (2-10).It is vertically connected with plate ribbed stiffener (2-10) all vertical with two connecting plates.Energy consumption inner core (2-2) two ends structure is identical.
The frame cross section of the external constraint component of Self-resetting supporting member is I shape, is that four pieces of channel-section steel bolts splice or are welded.As the channel-section steel on the upper and lower edge of a wing, its web punches at the relative position contacted with the edge of a wing of the channel-section steel as middle pectoral plate, is bolted together, or in the relative position welding connected, forms restraining tube framework.The width of an energy consumption inner core (2-2) is left, it is possible to make internal energy consumption inner core (2-2) insert between two webs of restraining tube framework middle pectoral plate channel-section steel (2-8).Restraining tube framework (2-3) arranges transverse stiffener (2-7) along total length from upper end.Web and the flange plate between each transverse stiffener (2-7) with spacing, transverse stiffener (2-7) and middle pectoral plate channel-section steel are and are welded to connect.Restraining tube framework (2-3) bottom is weldingly connected with lower connecting plate (2-6).The channel-section steel (2-9) on upper and lower two edges of a wing need to grow the channel-section steel certain length of middle pectoral plate, connecting plate is arranged in channel-section steel (2-9) end and the two middle pectoral plate channel-section steel ends on the edge of a wing, spring (2-4) is enclosed within support column (2-11), the two ends of support column (2-11) are connected with edge of a wing channel-section steel (2-9) end connecting plate and two middle pectoral plate channel-section steel end connecting plates respectively, spring (2-4) two ends are fixed with connecting plate (2-12) and stripper plate (2-13) respectively, spring (2-4) pressurized, draw time all can play Self-resetting effect.
When the industrialization assembled that the present invention relates to is many, high-rise steel structure channel-section steel self reset curvature-prevention central support ties up to enforcement, in factory, wide beam (3), narrow beam (4) and column base (7) it is assembled into basis grillage, floor is for profiled sheet concrete herein, and floor can also be the forms such as reinforced concrete floor.Profiled sheet (5) is placed on wide beam (3) and narrow beam (4), employing peg connects, at the upper casting concrete (6) of profiled sheet (5), utilize the space of wide beam (3), narrow beam (4) web member, place pipeline etc., ultimately form basis grillage A, basis grillage B and basis grillage C, basis grillage A, B, C are bolted shown in accompanying drawing 1, and are welded to connect into main body grillage.Floor (15) cast is in that on soleplate frame A, B, C, forms entirety with basis grillage.Pillar (8) is connected into general frame by bolt and column base (7), after otic placode (9) is connected with main body frame, then Self-resetting supporting member (2) is connected with the otic placode (9) of general frame by high-strength bolt, form total system.
Figure 11-Figure 26 is the structural form of this structure node, its connected mode is as follows: post (8) welds in factory with post cover plate, wide beam (3) and narrow beam (4) along deck-molding with two pieces of stiffeners (12) by being welded together basis of formation grillage, finally with bolt, column base (7), post cover plate, basis grillage are joined together to form node.
Figure 27-Figure 28 is this structural column seat structure figure.Column base (7) is the stub wrapped up by the column base connector (7-1) in strap bolt hole with column base flange, surrounding up and down.Each parts are by being welded together.Pillar (8) and post cover plate are by being welded together.Post cover plate, column base flange, beam are bolted together.
Claims (3)
1. industrialization assembled is many, a high-rise steel structure channel-section steel self reset curvature-prevention central supported system, including main body grillage and pillar system, Self-resetting supporting member (2)；It is characterized in that:
Main body grillage includes: basis grillage, floor；
Main body grillage includes three kinds of basic grillage A, B, the elementary cell of C composition, wherein, basis grillage A is the basic grillage of edge, basis grillage B, C is the grillage in centre position, and basis grillage B, C alternately connects, these three kinds of basic grillages are the rectangular frame structure being made up of wide beam (3) and narrow beam (4), and described wide beam (3) and narrow beam (4) are girder truss, this girder truss upper, lower boom, web member is channel-section steel, web member becomes 30 degree of-60 angle spent with chord member, the connection channel-section steel (10) in 3 strap bolt holes at least it is provided with between each girder truss top-bottom chord, girder truss two ends are respectively arranged with the end-plate of the rectangle in one piece of strap bolt hole, the top-bottom chord of girder truss, web member, connect channel-section steel, welding it is between end-plate, in three kinds of basic grillages, it is not wide beam (3) with the beam of other basis grillage adjacent one side；Being narrow beam (4) with the beam of other basis grillage adjacent one side, the deck-siding of narrow beam is the half of wide beam deck-siding, and the deck-siding of wide beam is less than or equal to the width of column base flange；Orthogonal two beams in three kinds of basic grillages, along deck-molding with two pieces of stiffeners (12) by being welded to connect；Beam adjacent side by side is connected with at the connection channel-section steel of two beam same positions, and in the basic grillage with column base (7), column base is connected with adjacent beam；
Described column base (7) is the stub wrapped up by the column base connector (7-1) in strap bolt hole with column base flange, surrounding up and down, column base flange, column base connector are by being welded together, pillar (8) and post cover plate are by being welded together, and post cover plate, column base flange, described wide beam, narrow beam are bolted together；
Described floor is cast on basis grillage A, B, C, forms entirety with basis grillage；
Self-resetting supporting member (2) is that a kind of channel-section steel assembling type steel structure self reset curvature-prevention supports, by internal energy consumption inner core (2-2), peripheral frame confining part (2-3) two parts are constituted, internal energy consumption inner core (2-2) is inserted in the intermediate gaps of peripheral frame confining part (2-3), wherein, internal energy consumption inner core (2-2) is yi word pattern single steel plate, peripheral frame confining part cross section is I shape, by upper, lower flange channel-section steel, two middle pectoral plate channel-section steels totally four pieces of channel-section steel bolts splice or are welded, one fixed width is left between two webs of two middle pectoral plate channel-section steels (2-8), insert for internal energy consumption inner core (2-2), internal energy consumption inner core both ends are arranged symmetrically with stripper plate (2-13), it is used for the spring (2-4) extruding or stretching on peripheral frame confining part (2-3), spring housing is on support column (2-11), the two ends of support column (2-11) are respectively with upper, channel-section steel end, lower flange connecting plate is connected with middle pectoral plate channel-section steel end connecting plate, spring (2-4) two ends are fixed with connecting plate (2-12) and stripper plate (2-13) respectively, spring (2-4) is at pressurized, Self-resetting effect all can be played when drawing, internal energy consumption inner core (2-2) distance D longer than peripheral frame confining part (2-3), it is identical that channel-section steel assembling type steel structure self reset curvature-prevention supports two ends structure, internal energy consumption inner core (2-2) end connects connecting plate two pieces normal thereto side by side: upper junction plate (2-5), lower connecting plate (2-6), upper junction plate (2-5) is with bolt hole, linked together by high-strength bolt and framework, the cavity that size is identical with internal energy consumption inner core (2-2) sectional dimension is had in lower connecting plate (2-6) plate face, by inside energy consumption inner core (2-2) traverse lower connecting plate (2-6), hold out against upper junction plate (2-5), three welds together, on, lower two connecting plates are welded together by the double plate ribbed stiffener (2-10) that is vertically connected with, it is vertically connected with plate ribbed stiffener (2-10) all vertical with two plates, internal energy consumption inner core (2-2) two ends directly construct identical；
In described three kinds of basic grillages, basis grillage A is basis, the outside grillage of main body grillage (1), the interposition of basis grillage A is equipped with two narrow beams (4) being connected side by side, and two narrow beam be bolted together, basis grillage A outer long side arrange pillar (8)；Pillar is not arranged on one side in the long limit adjacent with other basis grillages；
Basis grillage B, basis grillage C is the intermediate base grillage of main body grillage (1), pillar (8) is not arranged on wherein adjacent with basis grillage A for basis grillage B narrow beam limit, pillar (8) is arranged on the narrow beam limit adjacent with basis grillage C, form node, wherein intermediate node is T-shaped structure, two end nodes are L-shaped structure, at intermediate node place owing to column base flange is wider than or is equal to the twice of narrow beam deck-siding, so after the centrage of narrow beam with column base flange is alignd, allow for column base protrusion and be connected to column base both sides, the width of half column base in long limit being made up of narrow beam, at two end node places, column base and an orthogonal wide beam, article one, narrow beam is bolted together, one in wide beam two centrages orthogonal with column base flange is alignd；Narrow beam aligns with another in two centrages, owing to the deck-siding of narrow beam is less than or equal to the half of column base flange width, so column base also can protrude the width of half column base in long limit being made up of narrow beam, namely basis the intermediate node of grillage B, two end node places column base protrude be connected half column base of narrow beam, formed projection；Pillar is not all arranged on basis grillage C and basis grillage B, two adjacent for basis grillage A long limits, the node on the long limit that basis grillage C is adjacent with basis grillage B includes centre position node, end positions node 7, centre position node is made up of four narrow beams, wherein two narrow beam conllinear；Other two narrow beams are positioned at grillage C centre position, basis, connect side by side and vertical with the narrow beam of conllinear, the two narrow beams of conllinear respectively with the non-conterminous long limit vertical alignment of narrow beam side by side, end positions node is an orthogonal narrow beam and a wide beam composition, long limit, the inner side vertical alignment of narrow beam and wide beam, namely grillage C centre position, basis node, end positions node are respectively formed groove so that groove matches with the projection at grillage B respective nodes place, basis.
2. a kind of industrialization assembled according to claim 1 is many, high-rise steel structure channel-section steel self reset curvature-prevention central supported system, it is characterized in that: peripheral frame confining part (2-3) arranges transverse stiffener (2-7) along total length from upper end, between adjacent transverse ribbed stiffener (2-7), there is spacing, the web of transverse stiffener (2-7) and middle pectoral plate channel-section steel and on, lower flange channel-section steel is and is welded to connect, peripheral frame confining part (2-3) bottom is weldingly connected with lower connecting plate (2-6), upper junction plate (2-5), use between lower connecting plate (2-6), lower connecting plate ribbed stiffener vertical welding connects, on, lower flange channel-section steel grows middle pectoral plate channel-section steel certain length, upper, connecting plate is arranged in channel-section steel end, lower flange and middle pectoral plate channel-section steel end.
3. a kind of industrialization assembled according to claim 1 is many, high-rise steel structure channel-section steel self reset curvature-prevention central supported system, it is characterised in that: the middle part indent of internal energy consumption inner core (2-2) is circular arc.
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| CN103882968B true CN103882968B (en) | 2016-06-29 |
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| CN108719127B (en) * | 2018-07-20 | 2023-09-22 | 唐山市龙凤牧业科技有限公司 | Cage bottom joist structure of automatic chicken raising equipment and assembling method |
| CN113882525A (en) * | 2021-09-29 | 2022-01-04 | 昌达建筑科技有限公司 | Connecting structure of multi-block modular floor and wall |
| CN113914479B (en) * | 2021-09-30 | 2023-05-05 | 昌达建筑科技有限公司 | Modularized room convenient to assemble |
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| JP2002089077A (en) * | 2000-09-12 | 2002-03-27 | Nippon Steel Corp | Viscoelastic brace serially connected with spring |
| CN201377127Y (en) * | 2009-01-16 | 2010-01-06 | 北京工业大学 | Buckling-restrained brace with double functions of micro-earthquake and strong earthquake |
| CN102979165B (en) * | 2012-11-26 | 2014-11-05 | 北京工业大学 | Industrialized assembled multi-story high-rise steel structure centrally-braced system |
| CN103195185A (en) * | 2013-04-11 | 2013-07-10 | 北京工业大学 | I-shaped single-plate assembling steel structure prestressed buckling preventing support |
| CN103469921B (en) * | 2013-09-12 | 2015-08-26 | 北京交通大学 | Pre-compressed spring self-recovery energy dissipation brace |
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2014
- 2014-04-11 CN CN201410146525.6A patent/CN103882968B/en active Active
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